MP4Tools 3.5

Split or join MP4 videos without reencoding

Mike Williams May 27, 2017

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MP4Tools is an open-source package which includes two separate applications for manipulating MP4 files.

MP4Splitter enables splitting a target MP4 file into multiple files, without re-encoding. The program displays a preview of the video and allows you to select the individual split points within the clip. You can then export them with a click.

MP4Joiner joins multiple MP4 files into a single video, again without re-encoding. Drag and drop your source files, reorder them if necessary and export the results when you're ready.

Options include a setting to force the reencoding of your video, and allow you to choose your preferred quality setting. This might be handy if you're creating clips to share with others - individual scenes from a video, for instance - and would like the files to be as small as possible.

Verdict

MP4Splitter and MP4Joiner worked for us, splitting and joining videos as required, and with the minimum of hassle.

There are some small issues - we'd like to be able to drag and drop MP4Joiner files to reorder them, rather than clicking buttons - and we're not really sure why MP4Splitter and MP4Joiner are being distributed under a single "MP4Tools" banner when they're entirely separate applications. But we like them both anyway, and it'll be interesting to see if the developer adds other tools in future.